The market requirements of 112Gbps-PAM4 connectivity for optical transceiver pluggable modules are constantly increasing. Yamaichi Electronics is a leading company for 112G high speed connectors. Our portfolio includes also benchmark breaking signal integrity connectors up to 112G-NRZ and soon 224G-PAM4. Yamaichi plays an important role in the 112G and 224G standardisation and provided many concepts for MSAs.